Cast-in-place fair-faced concrete firewall for noise reduction of transformer of wind power booster station
By constructing a cast-in-place fair-faced concrete firewall around the transformer at the wind power substation, combined with noise-reducing mineral wool boards and double-layer fireproof gypsum boards, the shortcomings of traditional measures in noise reduction and fire prevention have been solved, achieving efficient noise control and fire protection, and enhancing structural stability and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-03
AI Technical Summary
Traditional transformer protection measures for wind power substations are insufficient to meet the high-efficiency and stable operation requirements of modern wind farms in terms of noise reduction and fire prevention, especially in complex environments where the sound insulation and fire resistance of ordinary building materials are limited.
The fire wall is constructed using cast-in-place fair-faced concrete, combined with noise-reducing mineral wool board, double-layer fireproof gypsum board, and transparent concrete protective coating to form a robust noise-reducing and fireproof component. The structural stability is enhanced by steel reinforcement and wall pressure beams, and sound insulation felt and crack-resistant mesh are embedded inside to improve sound insulation and fireproof performance.
It significantly reduces noise levels, forms a solid fire barrier, enhances structural rigidity and stability, reduces the risk of damage from natural disasters, extends service life, and improves overall noise reduction and fire safety.
Smart Images
Figure CN224082307U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of wind power booster station, and in particular, it is a cast-in-place fair-faced concrete firewall for noise reduction of transformers in wind power booster stations. Background Technology
[0002] The transformer in a wind power substation is an indispensable key component of a wind power generation system. Its main function is to step up the voltage of the electricity generated by the wind turbine and connect it to the power grid. Because wind farms typically have complex and variable environmental conditions, the protection of the transformer is particularly important. Traditional protection measures mainly include simple physical barriers and basic fire extinguishers. While these measures can provide some protection, they are often insufficient in the face of complex natural environments and potential safety hazards. Especially in terms of noise reduction and fire prevention, traditional methods are difficult to meet the demands of modern wind farms for efficient and stable operation.
[0003] In the current technological context, the protection of transformers in wind power substations faces numerous challenges. First, noise not only affects the quality of the surrounding environment but may also interfere with the normal operation of the equipment itself. Second, fire risk remains a significant factor, especially in areas with dense electrical equipment. Existing firewalls often use ordinary building materials, which have limited noise absorption, isolation, and fire resistance capabilities, particularly in environments with dense noise sources like wind farms. Utility Model Content
[0004] The purpose of this utility model is to provide a cast-in-place fair-faced concrete firewall for noise reduction of transformers in wind power booster stations, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a cast-in-place fair-faced concrete firewall for noise reduction of transformers in wind power booster stations, comprising a firewall assembly, wherein the firewall assembly comprises a wall body. The transformer of the wind power substation is located on one side of the wall. A wall pressure beam is fixedly installed on the top of the wall. There are steel reinforcement frames inside both ends of the wall below the wall pressure beam. After the two sets of steel reinforcement frames are set, the concrete wall is poured and a cavity is reserved inside the wall. A noise reduction and fireproof component is fitted into the cavity. The noise reduction and fireproof component includes a noise reduction and fireproof frame, a noise reduction mineral wool board embedded in the noise reduction and fireproof frame, and a first fireproof gypsum board and a second fireproof gypsum board on both sides of the noise reduction mineral wool board and fitted into the inner wall of the noise reduction and fireproof frame. The noise reduction mineral wool board is sandwiched between the first fireproof gypsum board and the second fireproof gypsum board. The noise reduction mineral wool board, the first fireproof gypsum board and the second fireproof gypsum board are all spliced together in parallel and symmetrically and fitted into the noise reduction and fireproof frame. The outer wall is provided with a transparent concrete protective coating layer.
[0006] In this preferred embodiment, the wall, wall pressure beam, noise reduction and fireproof frame, and the cavity in the wall are all L-shaped structures, so that the wind power booster station transformer is partially surrounded inside.
[0007] In a preferred embodiment of this design, the noise-reducing and fireproof frame has two embedded cavities for accommodating the noise-reducing mineral wool board, the first fireproof gypsum board, and the second fireproof gypsum board, respectively.
[0008] In this preferred embodiment, the noise-reducing mineral wool board, the first fireproof gypsum board, and the second fireproof gypsum board are encapsulated inside the noise-reducing and fireproof frame, and their outer facades are flush with the outer wall of the noise-reducing and fireproof frame. Furthermore, wall crack-resistant mesh is adhered to both outer walls of the noise-reducing and fireproof frame.
[0009] In this preferred embodiment, the wall pressure beam is connected to the wall by multiple expansion bolts, and the wall pressure beam is positioned above the noise reduction and fireproof components.
[0010] In a preferred embodiment, the inner walls of both the first and second fireproof gypsum boards facing the noise-reducing mineral wool board are provided with fiberglass cloth, and both fiberglass cloths abut against the outer walls of the noise-reducing mineral wool board on both sides.
[0011] In this preferred embodiment, a layer of sound-insulating felt is adhered to the inner wall of the cavity of the wall, and when the noise-reducing and fireproof frame is accommodated in the cavity, the sound-insulating felt is wrapped around the outside of the noise-reducing and fireproof frame.
[0012] In this preferred embodiment, the bottom surface of the wall beam facing the wall is provided with a waterproof mortar layer.
[0013] Compared with the prior art, the technical effects and advantages of this utility model are as follows:
[0014] The wind power substation transformer noise reduction system utilizes cast-in-place fair-faced concrete firewalls. By employing noise-reducing mineral wool boards, a first layer of fire-resistant gypsum board, and a second layer of fire-resistant gypsum board, these materials not only provide excellent sound insulation but also effectively block flame propagation. The noise-reducing mineral wool boards absorb sound wave energy, significantly reducing noise levels; while the double-layer fire-resistant gypsum board forms a solid fire barrier, protecting the transformer from fire threats. This combination not only enhances the overall noise reduction effect but also strengthens fire safety.
[0015] By installing steel reinforcement frames inside both ends of the wall, not only is the overall rigidity and load-bearing capacity of the wall enhanced, but external forces are also effectively dispersed, reducing the possibility of cracks caused by uneven stress. The wall pressure beam installed at the top of the wall not only provides additional support for the wall, but is also fixed with expansion bolts to ensure the stability of the top of the wall. This design helps prevent the top of the wall from sinking or other forms of damage. The steel reinforcement frames and wall pressure beams work together to form a robust frame structure, enabling the entire firewall to withstand greater external impacts while reducing the risk of structural damage caused by natural disasters such as earthquakes and strong winds.
[0016] The protective film formed by transparent concrete protective coating can effectively isolate harmful substances from the outside world, extend the service life of the wall, seal pores, prevent atmospheric corrosion, prevent cracks, and extend the service life. Attached Figure Description
[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the disassembly structure of the wall pressure beam of this utility model;
[0020] Figure 3 This is a schematic diagram of the bonding structure of the wall crack-resistant mesh of this utility model;
[0021] Figure 4 This is a schematic diagram of the disassembly structure of the first fireproof gypsum board of this utility model;
[0022] Figure 5 This is a schematic diagram of the disassembly structure of the noise-reducing mineral wool board of this utility model.
[0023] Explanation of reference numerals in the attached figures:
[0024] In the diagram: 1. Firewall assembly; 2. Wall; 3. Wind power substation transformer; 4. Wall pressure beam; 5. Expansion bolt; 6. Concrete protective transparent coating layer; 7. Noise-reducing and fireproof frame; 8. Steel reinforcement frame; 9. Noise-reducing and fireproof components; 10. Wall crack-resistant mesh; 11. Noise-reducing mineral wool board; 12. First fireproof gypsum board; 13. Second fireproof gypsum board; 14. Embedded cavity. Detailed Implementation
[0025] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.
[0026] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.
[0027] This embodiment provides, for example Figures 1 to 5 The image shows a cast-in-place fair-faced concrete firewall for noise reduction of a transformer in a wind power booster station, comprising a firewall assembly 1, which includes a wall body 2.
[0028] The wind power substation transformer 3 is located on one side of wall 2. Wall 2 must at least block the direct physical connection between the transformer and the outside world. When the wind power substation transformer 3 experiences dangerous fault conditions such as deflagration or electric arc, wall 2 can provide limited protection against deflagration and electric arc.
[0029] A wall pressure beam 4 is fixedly installed at the top of the wall 2. Below the wall pressure beam 4 and inside both ends of the wall 2, there are steel reinforcement frames 8. After the two sets of steel reinforcement frames 8 are installed, a concrete wall is poured, and a cavity is reserved inside the wall 2. A noise reduction and fireproof component 9 is fitted into this cavity. The noise reduction and fireproof component 9 includes a noise reduction and fireproof frame 7, a noise reduction mineral wool board 11 embedded within the noise reduction and fireproof frame 7, and a first fireproof gypsum board 12 and a second fireproof gypsum board 13 fitted into the inner wall of the noise reduction and fireproof frame 7 on both sides of the noise reduction mineral wool board 11. The noise reduction mineral wool board 11 is sandwiched between the first fireproof gypsum board 12 and the second fireproof gypsum board 13. The noise reduction mineral wool board 11, the first fireproof gypsum board 12, and the second fireproof gypsum board 13 are all symmetrically spliced together and fitted into the noise reduction and fireproof frame 7. A concrete protective transparent coating layer 6 is provided on the outer wall of the wall 2.
[0030] In this example, the wall beam 4 can be made of anti-corrosion wood. Wood is easy to drill and process and has sufficient strength, but poor fire resistance. Alternatively, flame-retardant board (flame retardant performance according to GB8624-2006 "Classification of Burning Performance of Building Materials and Products" Class B and GB / T8625-2005 "Test Methods for Flame Retardancy of Building Materials") can be used. Flame-retardant board is cheaper, but its weather resistance in nature is worse. This can be improved by applying anti-corrosion coating.
[0031] In this embodiment, the wall 2, the wall pressure beam 4, the noise reduction and fireproof frame 7, and the cavity in the wall 2 are all L-shaped structures, so that the wind power substation transformer 3 is partially surrounded inside.
[0032] In this embodiment, the noise-reducing and fireproof frame 7 has two embedded chambers 14 inside, which are used to accommodate the noise-reducing mineral wool board 11, the first fireproof gypsum board 12, and the second fireproof gypsum board 13, respectively. This provides semi-enclosed noise reduction and fireproofing for the wind power substation transformer 3.
[0033] In another example, the noise reduction and fireproof component 9 can be made of flame-retardant board (see the national standard above for flame retardancy). However, flame-retardant board has insufficient sound insulation. If flame-retardant board is used, it is necessary to install foam board between the two layers of flame-retardant board (mainly for sound insulation and heat insulation, but not for fire insulation).
[0034] In this embodiment, the noise-reducing mineral wool board 11, the first fireproof gypsum board 12, and the second fireproof gypsum board 13 are encapsulated inside the noise-reducing and fireproof frame 7, and their outer surfaces are flush with the outer wall of the noise-reducing and fireproof frame 7. Furthermore, wall crack-resistant mesh 10 is adhered to both outer walls of the noise-reducing and fireproof frame 7. The noise-reducing and fireproof frame 7, after the wall crack-resistant mesh 10 is adhered, is accommodated within the cavity of the wall 2.
[0035] In this embodiment, the wall pressure beam 4 is connected to the wall 2 by multiple expansion bolts 5, and the wall pressure beam 4 is pressed down and covered above the noise reduction and fireproof component 9.
[0036] In this embodiment, fiberglass cloth is provided on the inner wall of the first fireproof gypsum board 12 and the second fireproof gypsum board 13 facing the noise-reducing mineral wool board 11. The two fiberglass cloths abut against the outer walls of the noise-reducing mineral wool board 11 on both sides. The fiberglass cloth enhances the adhesion between the boards and provides an additional fire barrier, further improving the fire resistance and strengthening the bonding force between the boards.
[0037] In this embodiment, a layer of sound insulation felt is bonded to the inner wall of the cavity of the wall 2. When the noise reduction and fireproof frame 7 is accommodated in the cavity, the sound insulation felt is wrapped around the outside of the noise reduction and fireproof frame 7. The sound insulation felt effectively absorbs sound wave energy, reduces noise transmission, significantly improves the sound insulation effect of the entire structure, and reduces the impact of environmental noise.
[0038] Sound insulation felt costs more than foam, but its sound insulation ability is greater. In some scenarios where sound insulation requirements are not high, foam with a thin layer can be used instead of sound insulation felt.
[0039] In this embodiment, a waterproof mortar layer is provided on the bottom surface of the wall beam 4 facing the wall 2. The waterproof mortar reduces the amount of water entering the cavity through the gap between the wall beam 4 and the wall 2.
[0040] Working principle:
[0041] The noise reduction of the wind power substation transformer is achieved by using a cast-in-place fair-faced concrete firewall. Around the planned location where the wind power substation transformer is to be installed, an L-shaped frame consisting of walls 2 is constructed. Steel reinforcement frames 8 are pre-arranged inside the walls to enhance the overall strength and stability of the walls. A cavity is reserved inside the walls 2, which is also designed in an L-shape for the subsequent embedding of noise reduction and fireproof components 9. This cavity is designed to semi-enclose the wind power substation transformer 3, thereby achieving effective protection for the transformer.
[0042] The noise-reducing mineral wool board 11 is sandwiched between two fireproof gypsum boards and encapsulated together in the noise-reducing and fireproof frame 7. During this process, it is ensured that all components are spliced together in parallel and symmetrically, and the exterior facade is flush with the frame. At the same time, the wall anti-crack mesh 10 is bonded to both sides of the frame to enhance the stability and crack resistance of the overall structure. A layer of sound insulation felt is bonded to the inner wall of the cavity of the wall 2. This step not only helps to improve the sound insulation effect of the wall, but also plays a certain buffering role to protect the noise-reducing and fireproof frame 7 embedded therein. A waterproof mortar layer is set on the bottom surface of the wall pressure beam 4 facing the wall 2 to prevent moisture from seeping into the cavity from the gap between the wall pressure beam and the wall.
[0043] The prepared noise reduction and fireproof component 9 is placed into the reserved cavity. The wall pressure beam 4 is fixed to the top of the wall 2 by the expansion bolts 5, ensuring that it is firmly placed on top of the noise reduction and fireproof component, providing additional support and sealing effect for the entire structure. A concrete protective transparent coating layer 6 is applied to the outer wall of the wall 2. This coating not only increases the aesthetics of the wall, but also has good protective performance and can effectively resist the erosion of the wall by the external environment.
[0044] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station, comprising a wall body (2) arranged on one side of the transformer (3), a wall body compression beam (4) being fixedly installed on the top of the wall body (2), a steel bar support (8) being arranged at the lower part of the wall body compression beam (4) and inside both ends of the wall body (2), post-poured concrete wall body being arranged through the two sets of steel bar supports (8), and a cavity being reserved inside the wall body (2), a noise reduction fireproof assembly (9) being fitted and clamped in the cavity.
2. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 1, characterized in that: The wall body compression beam (4) is connected with the wall body (2) through a plurality of expansion bolts (5), and the wall body compression beam (4) is arranged above the noise reduction fireproof assembly (9).
3. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 1, characterized in that: A waterproof mortar layer is arranged on the bottom surface of the wall body compression beam (4) facing the wall body (2).
4. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 1, characterized in that: The noise reduction fireproof assembly (9) comprises a noise reduction fireproof frame (7), a noise reduction mineral wool board (11) being inlaid and fitted into the noise reduction fireproof frame (7), and a first fireproof gypsum board (12) and a second fireproof gypsum board (13) being fitted and clamped on both sides of the noise reduction mineral wool board (11) and the inner wall of the noise reduction fireproof frame (7).
5. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: The noise reduction mineral wool board (11) is clamped between the first fireproof gypsum board (12) and the second fireproof gypsum board (13), the noise reduction mineral wool board (11), the first fireproof gypsum board (12) and the second fireproof gypsum board (13) are symmetrically spliced together and clamped into the noise reduction fireproof frame (7), and a concrete protective transparent paint layer (6) is arranged on the outer wall of the wall body (2).
6. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: The wall body (2), the wall body compression beam (4), the noise reduction fireproof frame (7) and the cavity in the wall body (2) all have an L-shaped structure, so that the transformer (3) is half-enclosed in the structure.
7. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: The noise reduction fireproof frame (7) has two inlaid cavities (14) for accommodating the noise reduction mineral wool board (11), the first fireproof gypsum board (12) and the second fireproof gypsum board (13) respectively.
8. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: After the noise reduction mineral wool board (11), the first fireproof gypsum board (12) and the second fireproof gypsum board (13) are encapsulated in the noise reduction fireproof frame (7), the outer surface of the noise reduction fireproof frame (7) is flush with the outer wall of the noise reduction fireproof frame (7), and a wall body anti-cracking net (10) is adhered to the outer wall of the noise reduction fireproof frame (7) on both sides.
9. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: Glass fiber cloth is arranged on the inner wall of one side of the first fireproof gypsum board (12) and the second fireproof gypsum board (13) facing the noise reduction mineral wool board (11), and the two glass fiber cloths abut against the outer wall of the noise reduction mineral wool board (11) on both sides.
10. The cast-in-place clear concrete firewall for noise reduction of a transformer in a wind power booster station according to claim 4, characterized in that: A layer of soundproof felt is adhered to the inner wall of the cavity of the wall body (2), and the soundproof felt wraps the outside of the noise reduction fireproof frame (7) when the noise reduction fireproof frame (7) is accommodated in the cavity.